<template>
  <el-form>
    <el-form-item>
      <el-radio v-model="radioValue" :label="1">
        小时，允许的通配符[, - * /]
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="2">
        周期从
        <el-input-number v-model="cycle01" :max="22" :min="0" />
        -
        <el-input-number v-model="cycle02" :max="23" :min="cycle01 + 1" /> 时
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="3">
        从
        <el-input-number v-model="average01" :max="22" :min="0" />
        时开始，每
        <el-input-number v-model="average02" :max="23 - average01" :min="1" />
        小时执行一次
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="4">
        指定
        <el-select
          v-model="checkboxList"
          clearable
          multiple
          :multiple-limit="10"
          placeholder="可多选"
        >
          <el-option
            v-for="item in 24"
            :key="item"
            :label="item - 1"
            :value="item - 1"
          />
        </el-select>
      </el-radio>
    </el-form-item>
  </el-form>
</template>

<script setup>
  const emit = defineEmits(['update'])
  const props = defineProps({
    cron: {
      type: Object,
      default: {
        second: '*',
        min: '*',
        hour: '*',
        day: '*',
        month: '*',
        week: '?',
        year: '',
      },
    },
    check: {
      type: Function,
      default: () => {},
    },
  })
  const radioValue = ref(1)
  const cycle01 = ref(0)
  const cycle02 = ref(1)
  const average01 = ref(0)
  const average02 = ref(1)
  const checkboxList = ref([])
  const checkCopy = ref([0])
  const cycleTotal = computed(() => {
    cycle01.value = props.check(cycle01.value, 0, 22)
    cycle02.value = props.check(cycle02.value, cycle01.value + 1, 23)
    return `${cycle01.value}-${cycle02.value}`
  })
  const averageTotal = computed(() => {
    average01.value = props.check(average01.value, 0, 22)
    average02.value = props.check(average02.value, 1, 23 - average01.value)
    return `${average01.value}/${average02.value}`
  })
  const checkboxString = computed(() => {
    return checkboxList.value.join(',')
  })
  watch(
    () => props.cron.hour,
    (value) => changeRadioValue(value),
  )
  watch([radioValue, cycleTotal, averageTotal, checkboxString], () =>
    onRadioChange(),
  )

  function changeRadioValue(value) {
    if (value === '*') {
      radioValue.value = 1
    } else if (value.indexOf('-') > -1) {
      const indexArr = value.split('-')
      cycle01.value = Number(indexArr[0])
      cycle02.value = Number(indexArr[1])
      radioValue.value = 2
    } else if (value.indexOf('/') > -1) {
      const indexArr = value.split('/')
      average01.value = Number(indexArr[0])
      average02.value = Number(indexArr[1])
      radioValue.value = 3
    } else {
      checkboxList.value = [
        ...new Set(value.split(',').map((item) => Number(item))),
      ]
      radioValue.value = 4
    }
  }

  function onRadioChange() {
    switch (radioValue.value) {
      case 1:
        emit('update', 'hour', '*', 'hour')
        break
      case 2:
        emit('update', 'hour', cycleTotal.value, 'hour')
        break
      case 3:
        emit('update', 'hour', averageTotal.value, 'hour')
        break
      case 4:
        if (checkboxList.value.length === 0) {
          checkboxList.value.push(checkCopy.value[0])
        } else {
          checkCopy.value = checkboxList.value
        }
        emit('update', 'hour', checkboxString.value, 'hour')
        break
    }
  }
</script>

<style lang="scss" scoped>
  .el-input-number--small,
  .el-select,
  .el-select--small {
    margin: 0 0.2rem;
  }
  .el-select,
  .el-select--small {
    width: 18.8rem;
  }
</style>
